ManuelW/grbl-LPC-CoreXY
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Sonny Jeon 66d3155f2f Propagated premature step end bug fix from the edge branch. Updated printFloat() function. 
- Will not be uploading a hex build of this, unless asked.
2012-01-15 19:05:06 -07:00
doc cleaned up serial completing support for non blocking tx and refactoring formatting functions into a new module 'print' 2011-06-03 15:28:14 +02:00
script Added complete stop delay at the end of all motion. Moved grbl preprocessor script into a new repository. 2011-09-29 16:25:48 -06:00
.gitignore merged master 2011-01-31 19:42:56 +01:00
config.h Third time's a charm! No more deceleration issues! Updated grbl version and settings. General cleanup. 2011-10-11 20:51:04 -06:00
COPYING renamed file 2009-01-26 10:51:02 +01:00
eeprom.c formatting 2011-01-31 23:04:39 +01:00
eeprom.h Added runtime configurable global settings with eeprom persitence 2010-03-07 20:29:18 +01:00
gcode.c Corrected clearing of target and position variable for the go home routine. Thanks Jens! 2011-11-11 13:36:42 -07:00
gcode.h refactored handling of settings '$' command out of gcode module and into settings module 2011-02-18 22:59:16 +01:00
limits.c added support for limit switches and homing action 2011-02-20 00:29:56 +01:00
limits.h added support for limit switches and homing action 2011-02-20 00:29:56 +01:00
main.c Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
Makefile cleaned up serial completing support for non blocking tx and refactoring formatting functions into a new module 'print' 2011-06-03 15:28:14 +02:00
motion_control.c Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
motion_control.h Fixed minor bugs in planner. Increased max dwell time. Long slope bug stop-gap solution note. 2011-09-18 05:36:55 -06:00
nuts_bolts.c Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
nuts_bolts.h Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
planner.c Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
planner.h Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
print.c Propagated premature step end bug fix from the edge branch. Updated printFloat() function. 2012-01-15 19:05:06 -07:00
print.h cleaned up function definitions for serial and print modules and added a comment about the deeply flawed printFloat method 2011-06-03 15:36:14 +02:00
protocol.c Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
protocol.h Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
readme.textile Updated README and reordered branch versions. 2011-11-19 14:10:55 -07:00
serial.c Various minor updates and variable definition corrections. Removed deprecated acceleration manager. 2011-12-10 11:18:24 -07:00
serial.h refactored printIntegerInBase to work without a buffer + minor cleanup 2011-06-03 21:50:02 +02:00
settings.c Third time's a charm! No more deceleration issues! Updated grbl version and settings. General cleanup. 2011-10-11 20:51:04 -06:00
settings.h Third time's a charm! No more deceleration issues! Updated grbl version and settings. General cleanup. 2011-10-11 20:51:04 -06:00
spindle_control.c spindle could not be stopped. Thanks again to Etienne for reporting 2011-02-25 15:00:47 +01:00
spindle_control.h refactored block buffer into separate module motion_plan pending the addition of the actual look ahead planner 2011-01-14 16:45:18 +01:00
stepper.c Propagated premature step end bug fix from the edge branch. Updated printFloat() function. 2012-01-15 19:05:06 -07:00
stepper.h Third time's a charm! No more deceleration issues! Updated grbl version and settings. General cleanup. 2011-10-11 20:51:04 -06:00

readme.textile 

h1. Grbl - An embedded g-code interpreter and motion-controller for the Arduino/AVR328 microcontroller
    
Grbl is a no-compromise, high performance, low cost alternative to parallel-port-based motion control for CNC milling. It will run on a vanilla Arduino (Duemillanove/Uno) as long as it sports an Atmega 328. 

The controller is written in highly optimized C utilizing every clever feature of the AVR-chips to achieve precise timing and asynchronous operation. It is able to maintain more than 30kHz of stable, jitter free control pulses.

It accepts standards-compliant G-code and has been tested with the output of several CAM tools with no problems. Arcs, circles and helical motion are fully supported, as well as, other basic functional g-code commands. Functions and variables are not currently supported, but may be included in future releases in a form of a pre-processor.

Grbl includes full acceleration management with look ahead. That means the controller will look up to 16 to 20 motions into the future and plan its velocities ahead to deliver smooth acceleration and jerk-free cornering.

*Changelog for v0.7 from v0.6:*
  - Significantly improved and optimized planner re-factoring.
  - New robust cornering algorithm, enabling smoother and faster motions.
  - Arc acceleration planning enabled by efficient vector transformation implementation.
  - Stepper subsystem re-factoring to help remove some motion issues from pre-v0.7 builds.
  - Increased dwell times.
  - G92 Coordinate offset support.
  - (Beta) Limit switch and homing cycle support.
  - Many other bug fixes and efficiency improvements.

*Important note for Atmega 168 users:* Going forward, support for Atmega 168 will be dropped due to its limited memory and speed. However, legacy Grbl v0.51 "in the branch called 'v0_51' is still available for use.

_The project was initially inspired by the Arduino GCode Interpreter by Mike Ellery_